(function($){
	var ms = {
		init:function(obj,args){
			return (function(){
				ms.fillHtml(obj,args);
				ms.bindEvent(obj,args);
			})();
		},
		//填充html
		fillHtml:function(obj,args){
			return (function() {
				obj.empty();
				//上一页
				if(args.current > 1) {

					obj.append('<a href="javascript:;" class="pre-page">上一页</a>');

				} else {

					obj.remove('.pre-page');
					obj.append('<span class="disabled">上一页</span>');
				}

				//中间页码
				if(args.current != 1 && args.current >= 4 && args.pageCount != 4) {

					obj.append('<a href="javascript:;" class="page-num">'+1+'</a>');
				}

				if(args.current-2 > 2 && args.current <= args.pageCount && args.pageCount > 5) {

					obj.append('<span>...</span>');
				}

				var start = args.current -2,
						end = args.current+2;

				if((start > 1 && args.current < 4)||args.current == 1) {

					end++;
				}

				if(args.current > args.pageCount-4 && args.current >= args.pageCount) {

					start--;
				}

				for(;start <= end; start++) {
					if(start <= args.pageCount && start >= 1) {

						if(start != args.current) {

							obj.append('<a href="javascript:;" class="page-num">'+ start +'</a>');
						} else {

							obj.append('<span class="current">'+ start +'</span>');
						}
					}
				}

				if(args.current + 2 < args.pageCount - 1 && args.current >= 1 && args.pageCount > 5) {

					obj.append('<span>...</span>');
				}

				if(args.current != args.pageCount && args.current < args.pageCount -2  && args.pageCount != 4) {

					obj.append('<a href="javascript:;" class="page-num">'+args.pageCount+'</a>');
				}

				//下一页
				if(args.current < args.pageCount) {

					obj.append('<a href="javascript:;" class="next-page">下一页</a>');
				} else {

					obj.remove('.nextPage');
					obj.append('<span class="disabled">下一页</span>');
				}
			})();
		},
		//绑定事件
		bindEvent:function(obj,args){
			return (function(){
				obj.on("click","a.page-num",function() {
					var current = parseInt($(this).text());
					ms.fillHtml(obj,{"current":current,"pageCount":args.pageCount});
					if(typeof(args.callbackFn)=="function") {
						args.callbackFn(current);
					}
				});

				//上一页
				obj.on("click","a.pre-page",function() {
					var current = parseInt(obj.children("span.current").text());
					ms.fillHtml(obj,{"current":current-1,"pageCount":args.pageCount});
					if(typeof(args.callbackFn)=="function") {
						args.callbackFn(current-1);
					}
				});

				//下一页
				obj.on("click","a.next-page",function() {
					var current = parseInt(obj.children("span.current").text());
					ms.fillHtml(obj,{"current":current+1,"pageCount":args.pageCount});
					if(typeof(args.callbackFn)=="function") {
						args.callbackFn(current+1);
					}
				});
			})();
		}
	}
	$.fn.createPage = function(options){
		var args = $.extend({
			pageCount : 15,
			current : 1,
			callbackFn : function(){}
		},options);
		ms.init(this,args);
	}
})(jQuery);
